Home / 8,177.15-11,284.82-4,640.69

Finding the Fourth Proportional to 8,177.15, 11,284.82 and 4,640.69

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Solution

The fourth proportional to 8,177.15, 11,284.82 and 4,640.69 is: 6,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.15 : 11,284.82 = 4,640.69 : x
  2. Step 2: Convert to fraction form
    8,177.15/11,284.82 = 4,640.69/x
  3. Step 3: Cross multiply
    8,177.15x = 11,284.82 × 4,640.69
  4. Step 4: Simplify right side
    8,177.15x = 52,369,373.74
  5. Step 5: Solve for x
    x = 52,369,373.74/8,177.15
  6. Step 6: Final answer
    x = 6,404.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.